PUBLIC NOTICE Notice of Proposed Issuance of an Alaska Pollutant Discharge Elimination System Permit (APDES) to Discharge to Waters of the United States The Alaska Department of Environmental Conservation has tentatively determined to reissue a discharge permit to Anchorage Water and Wastewater Utility, Eagle River Wastewater Treatment Facility Permit No.: AK0022543 Proposed Project and Location: The Anchorage Water & Wastewater Utility (AWWU) operates the Eagle River Wastewater Treatment Facility (ER WWTF) in the community of Eagle River, Alaska, part of the Municipality of Anchorage, having a population of approximately 19,500 people. The ER WWTF is a Publicly-Owned Treatment Works (POTW), an activated sludge secondary treatment plant with effluent filtration and ultraviolet disinfection. The design rate for the facility is 2.5 million gallons per day. The ER WWTF discharges secondary treated domestic wastewater to Eagle River at 61.321667 North latitude and 149.591944 West longitude. Separate mixing zones for the summer season (June 1 – September 30) and winter season (October 1 – May 31) will be authorized. Pollutants in the mixing zone are total nitrate/nitrite, zinc, copper, lead, dissolved oxygen, total dissolved solids, temperature, and Whole Effluent Toxicity. A Permit, Fact Sheet and associated documents are available for review. For inquiries or to request copies of documents, contact: Amber Bennett 610 University Avenue Fairbanks, AK 99709 907-451-2190 amber.bennett@alaska.gov For office locations or to view electronic copies of the permit documents, please see the DEC website at: http://dec.alaska.gov/water/wastewater/ Public Notice Start Date: October 8, 2025 Public Notice Expiration Date: November 10, 2025, at 11:59 P.M. AST Written comments and requests can be submitted to the attention of the DEC contact/permit writer at the email address or postal address identified above. Comments or requests and must be submitted (mailed must be postmarked) on or before the expiration date of the public notice. A request for public hearing on the APDES draft permit must be submitted within 30 days of the issuance of this public notice. Disability Reasonable Accommodation Notice The State of Alaska, Department of Environmental Conservation complies with Title II of the Americans with Disabilities Act of 1990. If you are a person with a disability who may need a reasonable accommodation in order to participate in this public process, please contact Kristin Mabry at Kristin.mabry@alaska.gov or 1-907-334-0884, Alaska Relay Services/TY/TDD 1-800770-8973/TTY or dial 711 to ensure that any necessary accommodation can be provided. Pub: Oct. 8, 2025